/* =========================================
   Slide 17: 为什么选择 Rune AI
   风格：选择逻辑侧栏 + 六价值主舞台
   ========================================= */

#slide-17 {
    position: absolute;
    overflow: hidden;
    padding: 44px 58px 24px;
    color: var(--color-text-main);
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(circle at 8% 14%, rgba(30, 96, 248, 0.13) 0%, rgba(30, 96, 248, 0) 28%),
        radial-gradient(circle at 88% 18%, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0) 25%),
        radial-gradient(circle at 84% 82%, rgba(245, 158, 11, 0.06) 0%, rgba(245, 158, 11, 0) 24%),
        linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 56%, #EDF4FF 100%);
}

.slide-17-bg-grid,
.slide-17-bg-glow,
.slide-17-bg-orbit {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.slide-17-bg-grid {
    background-image:
        linear-gradient(rgba(30, 96, 248, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 96, 248, 0.03) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.98) 34%, rgba(0, 0, 0, 0.45) 76%, transparent 100%);
    animation: slide-17-grid-drift 34s linear infinite;
}

.slide-17-bg-glow {
    background:
        radial-gradient(circle at 74% 24%, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0) 18%),
        radial-gradient(circle at 34% 76%, rgba(96, 165, 250, 0.16) 0%, rgba(96, 165, 250, 0) 26%);
}

.slide-17-bg-orbit::before,
.slide-17-bg-orbit::after {
    content: '';
    position: absolute;
    border-radius: 999px;
}

.slide-17-bg-orbit::before {
    width: 960px;
    height: 260px;
    left: 520px;
    top: 390px;
    background: linear-gradient(90deg, rgba(30, 96, 248, 0), rgba(30, 96, 248, 0.08), rgba(16, 185, 129, 0.06), rgba(30, 96, 248, 0));
    filter: blur(30px);
    transform: rotate(-8deg);
}

.slide-17-bg-orbit::after {
    width: 600px;
    height: 600px;
    right: 120px;
    top: 182px;
    border: 1px dashed rgba(30, 96, 248, 0.11);
    opacity: 0.9;
}

.slide-17-header,
.slide-17-summary-strip,
.slide-17-body,
.slide-17-footer {
    position: relative;
    z-index: 2;
}

.slide-17-header {
    max-width: 1660px;
    margin-bottom: 12px;
    opacity: 0;
    transform: translateY(-22px);
    transition: opacity 0.75s ease 0.12s, transform 0.75s ease 0.12s;
}

.slide-17-title {
    position: relative;
    display: inline-block;
    margin-bottom: 10px;
    font-size: 46px;
    font-weight: 800;
    color: #0F172A;
}

.slide-17-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -12px;
    width: 94px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, #1E60F8, #3B82F6, #10B981);
}

.slide-17-subtitle {
    max-width: 1620px;
    font-size: 19px;
    line-height: 1.54;
    color: #475569;
}

.slide-17-summary-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.75s ease 0.26s, transform 0.75s ease 0.26s;
}

.slide-17-summary-item {
    min-height: 38px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(30, 96, 248, 0.1);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.05);
    font-size: 13px;
    font-weight: 800;
    color: #1E3A8A;
}

.slide-17-body {
    flex: 1;
    min-height: 0;
    position: relative;
    display: block;
}

.slide-17-left-rail {
    min-height: 0;
    display: grid;
    grid-template-rows: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 16px;
    opacity: 0;
    transform: translateX(-28px);
    transition: opacity 0.82s ease 0.4s, transform 0.82s ease 0.4s;
}

.slide-17-thesis-card,
.slide-17-runway-card,
.slide-17-value-field,
.slide-17-value-card {
    border-radius: 28px;
    border: 1px solid rgba(30, 96, 248, 0.1);
    box-shadow: 0 22px 48px rgba(15, 23, 42, 0.08);
}

.slide-17-thesis-card,
.slide-17-runway-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 255, 0.96));
}

.slide-17-thesis-card {
    padding: 24px 24px 22px;
    display: flex;
    flex-direction: column;
}

.slide-17-thesis-card::before,
.slide-17-runway-card::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
    background: linear-gradient(90deg, #1E60F8, #10B981);
}

.slide-17-kicker {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(30, 96, 248, 0.08);
    color: #1E60F8;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.slide-17-thesis-card h3,
.slide-17-runway-card h3 {
    margin: 14px 0 10px;
    font-size: 22px;
    line-height: 1.22;
    color: #0F172A;
}

.slide-17-thesis-card p,
.slide-17-runway-card p {
    margin-bottom: 0;
    font-size: 13px;
    line-height: 1.52;
    color: #475569;
}

.slide-17-thesis-stack {
    margin-top: 14px;
    display: grid;
    gap: 8px;
}

.slide-17-stack-item {
    padding: 12px 12px 12px 14px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(30, 96, 248, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
    display: grid;
    gap: 4px;
}

.slide-17-stack-item span {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #1E60F8;
}

.slide-17-stack-item strong {
    font-size: 14px;
    line-height: 1.32;
    color: #0F172A;
}

.slide-17-card-tags span,
.slide-17-card-tags span,
.slide-17-card-tags span {
    min-height: 28px;
    padding: 0 11px;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}

.slide-17-runway-card {
    padding: 20px 22px 22px;
}

.slide-17-runway {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.slide-17-runway-step {
    position: relative;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    padding: 12px 12px 12px 10px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid rgba(30, 96, 248, 0.07);
}

.slide-17-runway-step strong {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(30, 96, 248, 0.12), rgba(16, 185, 129, 0.12));
    color: #1E40AF;
    font-size: 14px;
    font-weight: 800;
}

.slide-17-runway-step h4 {
    margin-bottom: 3px;
    font-size: 15px;
    color: #0F172A;
}

.slide-17-runway-step p {
    font-size: 11.5px;
    line-height: 1.42;
}

.slide-17-value-field {
    position: relative;
    min-height: 0;
    overflow: hidden;
    padding: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 249, 255, 0.96));
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-content: stretch;
    opacity: 0;
    transform: translateX(28px) scale(0.985);
    transition: opacity 0.82s ease 0.54s, transform 0.82s ease 0.54s;
}

.slide-17-value-field::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 50%, rgba(30, 96, 248, 0.08) 0%, rgba(30, 96, 248, 0.03) 18%, rgba(255, 255, 255, 0) 46%),
        linear-gradient(180deg, rgba(30, 96, 248, 0.05), rgba(255, 255, 255, 0) 22%);
    pointer-events: none;
}

.slide-17-value-field::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 2px;
    height: 360px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(30, 96, 248, 0), rgba(30, 96, 248, 0.16), rgba(16, 185, 129, 0.12), rgba(30, 96, 248, 0));
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.slide-17-value-core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 324px;
    height: 324px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.98) 0%, rgba(239, 246, 255, 0.95) 48%, rgba(219, 234, 254, 0.38) 72%, rgba(219, 234, 254, 0) 100%);
    border: 1px solid rgba(30, 96, 248, 0.11);
    box-shadow: 0 30px 60px rgba(30, 96, 248, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.slide-17-value-core::before,
.slide-17-value-core::after {
    content: '';
    position: absolute;
    inset: 18px;
    border-radius: 50%;
    border: 1px dashed rgba(30, 96, 248, 0.12);
}

.slide-17-value-core::after {
    inset: -34px;
    border-style: solid;
    opacity: 0.35;
}

.slide-17-core-shell {
    width: 220px;
    text-align: center;
    display: grid;
    gap: 8px;
}

.slide-17-core-shell .core-mini {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1E60F8;
}

.slide-17-core-shell strong {
    font-size: 40px;
    line-height: 1;
    color: #0F172A;
}

.slide-17-core-shell p {
    margin-bottom: 0;
    font-size: 12px;
    line-height: 1.5;
    color: #64748B;
}

.slide-17-value-card {
    position: relative;
    z-index: 1;
    min-height: 196px;
    padding: 18px 18px 16px;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
}

.slide-17-value-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 4px;
    border-radius: 999px;
}

.slide-17-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.card-index {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #1E60F8;
}

.card-label {
    min-height: 24px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.05);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #475569;
}

.slide-17-value-card h4 {
    margin: 10px 0 8px;
    font-size: 28px;
    line-height: 1.16;
    color: #0F172A;
}

.slide-17-value-card p {
    margin-bottom: 0;
    font-size: 13.5px;
    line-height: 1.56;
    color: #475569;
}

.slide-17-card-tags {
    margin-top: auto;
    padding-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.slide-17-card-tags span {
    background: rgba(30, 96, 248, 0.08);
    color: #1E3A8A;
}

.card-2,
.card-5 {
    transform: translateY(18px);
}

.card-3,
.card-6 {
    transform: translateY(36px);
}

.slide-17-footer {
    margin-top: 10px;
    min-height: 54px;
    padding: 0 24px;
    border-radius: 24px;
    background: linear-gradient(135deg, #0F172A, #102B62 56%, #114F74 100%);
    box-shadow: 0 22px 44px rgba(15, 23, 42, 0.18);
    display: flex;
    align-items: center;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.45;
    color: #F8FAFC;
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.82s ease 0.82s, transform 0.82s ease 0.82s;
}

.slide-17-orbit-stage {
    --orbit-side-offset: 28px;
    --orbit-item-width: 548px;
    --orbit-circle-size: 116px;
    --orbit-copy-width: 414px;
    position: relative;
    height: 100%;
    overflow: visible;
    isolation: isolate;
    opacity: 0;
    transform: translateY(24px) scale(0.985);
    transition: opacity 0.82s ease 0.4s, transform 0.82s ease 0.4s;
}

.slide-17-orbit-stage::before,
.slide-17-orbit-stage::after {
    content: none;
}

.slide-17-orbit-links {
    position: absolute;
    inset: 24px 42px;
    z-index: 0;
}

.slide-17-orbit-links line {
    stroke: url(#slide-17-link-gradient);
    stroke-width: 2;
    stroke-linecap: round;
}

.slide-17-center-hub {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 420px;
    height: 420px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.98) 0%, rgba(239, 246, 255, 0.96) 46%, rgba(219, 234, 254, 0.48) 70%, rgba(219, 234, 254, 0) 100%);
    border: 1px solid rgba(30, 96, 248, 0.12);
    box-shadow: 0 34px 72px rgba(30, 96, 248, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.slide-17-center-hub::before,
.slide-17-center-hub::after {
    content: '';
    position: absolute;
    border-radius: 50%;
}

.slide-17-center-hub::before {
    inset: 20px;
    border: 1px dashed rgba(30, 96, 248, 0.14);
}

.slide-17-center-hub::after {
    inset: -28px;
    border: 1px solid rgba(30, 96, 248, 0.08);
}

.slide-17-center-shell {
    width: 266px;
    text-align: center;
    display: grid;
    gap: 11px;
}

.slide-17-center-shell img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    margin: 0 auto;
}

.slide-17-center-shell .hub-kicker {
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1E60F8;
}

.slide-17-center-shell h3 {
    margin-bottom: 0;
    font-size: 40px;
    line-height: 1.1;
    color: #0F172A;
}

.slide-17-center-shell p {
    margin-bottom: 0;
    font-size: 16px;
    line-height: 1.6;
    color: #475569;
}

.slide-17-orbit-item {
    --node-color: #1E60F8;
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 18px;
    width: var(--orbit-item-width);
}

.slide-17-orbit-item.pos-left-top {
    left: var(--orbit-side-offset);
    top: 22%;
    transform: translateY(-50%);
    justify-content: flex-start;
    --node-color: #1E60F8;
}

.slide-17-orbit-item.pos-left-mid {
    left: var(--orbit-side-offset);
    top: 50%;
    transform: translateY(-50%);
    justify-content: flex-start;
    --node-color: #8B5CF6;
}

.slide-17-orbit-item.pos-left-bottom {
    left: var(--orbit-side-offset);
    top: 78%;
    transform: translateY(-50%);
    justify-content: flex-start;
    --node-color: #334155;
}

.slide-17-orbit-item.pos-right-top {
    right: var(--orbit-side-offset);
    top: 22%;
    transform: translateY(-50%);
    text-align: right;
    --node-color: #10B981;
}

.slide-17-orbit-item.pos-right-mid {
    right: var(--orbit-side-offset);
    top: 50%;
    transform: translateY(-50%);
    text-align: right;
    --node-color: #F59E0B;
}

.slide-17-orbit-item.pos-right-bottom {
    right: var(--orbit-side-offset);
    top: 78%;
    transform: translateY(-50%);
    text-align: right;
    --node-color: #0891B2;
}

.slide-17-orbit-item.pos-left-top .slide-17-node-copy,
.slide-17-orbit-item.pos-left-mid .slide-17-node-copy,
.slide-17-orbit-item.pos-left-bottom .slide-17-node-copy {
    order: 1;
}

.slide-17-orbit-item.pos-left-top .slide-17-node-circle,
.slide-17-orbit-item.pos-left-mid .slide-17-node-circle,
.slide-17-orbit-item.pos-left-bottom .slide-17-node-circle {
    order: 2;
}

.slide-17-node-circle {
    width: var(--orbit-circle-size);
    height: var(--orbit-circle-size);
    flex: 0 0 var(--orbit-circle-size);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.96));
    border: 2px solid color-mix(in srgb, var(--node-color) 32%, white);
    box-shadow: 0 20px 38px rgba(15, 23, 42, 0.08);
}

.slide-17-node-circle img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(15, 23, 42, 0.05));
}

.slide-17-node-copy {
    flex: 0 0 var(--orbit-copy-width);
    position: relative;
    min-height: 200px;
    padding: 22px 24px 24px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 255, 0.92));
    border: 1px solid rgba(30, 96, 248, 0.08);
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.06);
    backdrop-filter: blur(4px);
}

.slide-17-node-copy::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    width: 74px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--node-color), color-mix(in srgb, var(--node-color) 55%, white));
}

.slide-17-node-copy .node-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--node-color) 10%, white);
    color: color-mix(in srgb, var(--node-color) 92%, black);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.slide-17-node-copy h4 {
    margin: 14px 0 8px;
    font-size: 31px;
    line-height: 1.16;
    color: #0F172A;
}

.slide-17-node-copy p {
    margin-bottom: 0;
    font-size: 18px;
    line-height: 1.62;
    color: #475569;
}

#slide-17.active .slide-17-header,
#slide-17.active .slide-17-summary-strip,
#slide-17.active .slide-17-orbit-stage,
#slide-17.active .slide-17-footer {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

@keyframes slide-17-grid-drift {
    from {
        transform: translate3d(0, 0, 0);
    }
    to {
        transform: translate3d(-26px, -18px, 0);
    }
}